So some great geek stuff with a customer of mine (Family Farms). We needed to integrate combine-harvester and tipper trucks on our iPad app. to record weights as combine tips to nearby truck. This was our saviour a little $50 bluetooth LE dongle. BLE, allows devices to just find each other (romantic I know). Unlike normal Bluetooth like you use say your handsfree kit; you don’t need to pair a BLE device. You simply say find any devices in range that offer a set of services, i.e. can transfer data. ......